void LateUpdate()
{
float wheel = Input.GetAxis("Mouse ScrollWheel");
ray = Camera.main.ScreenPointToRay(Input.mousePosition);
bool rayIntersectsAnyCollider = Physics.Raycast(ray, out hit, maxCameraDistance, lm.value);
//print(state);
if (isLocked)
{
if (lockedTransform != null)
{
offSet = lockedTransform.position - off;
off = lockedTransform.position; //in case the lockedTransform is moving
if (Input.GetMouseButton(1) == false)
{
state = CameraState.isIdling;
float magnitude = (targetTransform.position - transform.position).magnitude; //in case the lockedTransform is moving
transform.position = targetTransform.position - (transform.rotation * Vector3.forward * magnitude) + offSet;
targetTransform.position = lockedTransform.position;
}
}
else
{
isLocked = false;
}
}
if (state != CameraState.isTargeting)
{
if (panMode == true && Input.GetMouseButton(2) == true)
{
if (state != CameraState.isPanning)
{
lastMousePos = Input.mousePosition;
}
state = CameraState.isPanning;
}
if (Input.GetMouseButton(1) == true)
{
state = CameraState.isRotating;
}
else if (Input.GetMouseButtonUp(1))
{
yDeg = transform.rotation.eulerAngles.x;
if (yDeg > 180)
{
yDeg -= 360;
}
xDeg = transform.rotation.eulerAngles.y;
state = CameraState.isIdling;
}
else if (wheel != 0)
{
state = CameraState.isZooming;
}
}
switch (state)
{
#region Idling
case CameraState.isIdling:
break;
#endregion
#region Rotating
case CameraState.isRotating:
float getAxisX = Input.GetAxis("Mouse X");
float getAxisY = Input.GetAxis("Mouse Y");
if (Mathf.Abs(getAxisX) > 0.05f || Mathf.Abs(getAxisY) > 0.05f)
{
isMovingWithRotation = true;
}
xDeg += getAxisX * xSpeed;
yDeg -= getAxisY * ySpeed;
yDeg = ClampAngle(yDeg, yMinLimit, yMaxLimit, 5);
transform.rotation = Quaternion.Lerp(transform.rotation, Quaternion.Euler(yDeg, xDeg, 0), Time.deltaTime * rotationDampening / Time.timeScale);
transform.eulerAngles = new Vector3(transform.eulerAngles.x, transform.eulerAngles.y, 0);
float magnitude = (targetTransform.position - transform.position).magnitude;
transform.position = targetTransform.position - (transform.rotation * Vector3.forward * magnitude) + offSet;
targetTransform.position = targetTransform.position + offSet;
break;
#endregion
#region Zooming
case CameraState.isZooming:
Vector3 hitPoint = Vector3.zero;
if (rayIntersectsAnyCollider)
{
hitPoint = hit.point;
}
else
{
planeZero.Raycast(ray, out float enter1);
hitPoint = ray.GetPoint(enter1);
}
perpendToViewplane.SetNormalAndPosition(-transform.forward, hitPoint);
perpendToViewplane.Raycast(ray, out enter);
rayPlanePoint = ray.GetPoint(Mathf.Min(enter, 100f));
ray.direction = transform.forward;
float par = 0.33f;
enter = Mathf.Abs(enter);
targetTransform.position = transform.forward * enter + transform.position;
if (wheel > 0)
{
desiredPosition = MathLibrary.ClampMagnitude((rayPlanePoint - transform.position), cameraMaxDistance, 10) * par + transform.position;
}
else if (wheel < 0)
{
desiredPosition = -MathLibrary.ClampMagnitude((targetTransform.position - transform.position), cameraMaxDistance, 10) * par + transform.position;
}
transform.position = Vector3.Lerp(transform.position, desiredPosition, zoomRate * Time.deltaTime / Time.timeScale);
if (Vector3.SqrMagnitude(transform.position - desiredPosition) < zoomThres)
{
state = CameraState.isIdling;
}
break;
#endregion
#region Panning
case CameraState.isPanning:
Vector3 v = new Vector3(Input.mousePosition.x - lastMousePos.x, 0, Input.mousePosition.y - lastMousePos.y);
Vector3 centerToMouse = transform.rotation * v;
centerToMouse.y = 0;
centerToMouse.Normalize();
centerToMouse *= 30;
centerToMouse *= transform.position.y;
float distFromCenter = centerToMouse.magnitude;
if (lockedTransform != null)
{
UnlockObject();
}
rayPlanePoint.Set(transform.forward.x, 0, transform.forward.z);
//targetTransform.Translate(centerToMouse * Time.deltaTime * panSpeed); //here, right is wrt the loc ref because Space.Self by default
//transform.Translate(centerToMouse * Time.deltaTime * panSpeed);
float t = panSpeed * Time.deltaTime / Time.timeScale;
targetTransform.position = Vector3.Lerp(targetTransform.position, transform.position + centerToMouse, t);
transform.position = Vector3.Lerp(transform.position, transform.position + centerToMouse, t);
if (Input.GetMouseButtonUp(2) == true)
{
state = CameraState.isIdling;
}
break;
#endregion
//#region Panning
//case CameraState.isPanning:
// Vector3 screenCenter = new Vector3(Screen.width, Screen.height, 0) * 0.5f;
// Vector3 centerToMouse = Input.mousePosition - lastMousePos;
// float distFromCenter = centerToMouse.magnitude;
// if (lockedTransform != null) {
// UnlockObject();
// }
// rayPlanePoint.Set(transform.forward.x, 0, transform.forward.z);
// //targetTransform.Translate(centerToMouse * Time.deltaTime * panSpeed); //here, right is wrt the loc ref because Space.Self by default
// //transform.Translate(centerToMouse * Time.deltaTime * panSpeed);
// targetTransform.position = Vector3.Lerp(transform.position, transform.position + centerToMouse, panSpeed * Time.deltaTime / Time.timeScale);
// transform.position = Vector3.Lerp(transform.position, transform.position + centerToMouse, panSpeed * Time.deltaTime / Time.timeScale);
// if (Input.GetMouseButtonUp(2) == true) {
// state = CameraState.isIdling;
// }
// //float panNorm = transform.position.y;
// //if ((Input.mousePosition.x - Screen.width + panThres) > 0) {
// // targetTransform.Translate(Vector3.right * -panSpeed * Time.deltaTime * panNorm); //here, right is wrt the loc ref because Space.Self by default
// // transform.Translate(Vector3.right * -panSpeed * Time.deltaTime * panNorm);
// //} else if ((Input.mousePosition.x - panThres) < 0) {
// // targetTransform.Translate(Vector3.right * panSpeed * Time.deltaTime * panNorm);
// // transform.Translate(Vector3.right * panSpeed * Time.deltaTime * panNorm);
// //}
// //if ((Input.mousePosition.y - Screen.height + panThres) > 0) {
// // rayPlanePoint.Set(transform.forward.x, 0, transform.forward.z);
// // targetTransform.Translate(rayPlanePoint.normalized * -panSpeed * Time.deltaTime * panNorm, Space.World);
// // transform.Translate(rayPlanePoint.normalized * -panSpeed * Time.deltaTime * panNorm, Space.World);
// //}
// //if ((Input.mousePosition.y - panThres) < 0) {
// // rayPlanePoint.Set(transform.forward.x, 0, transform.forward.z);
// // targetTransform.Translate(rayPlanePoint.normalized * panSpeed * Time.deltaTime * panNorm, Space.World);
// // transform.Translate(rayPlanePoint.normalized * panSpeed * Time.deltaTime * panNorm, Space.World);
// //}
// //if (lockedTransform != null)
// // UnlockObject();
// //float panNorm = transform.position.y;
// //if ((Input.mousePosition.x - Screen.width + panThres) > 0) {
// // targetTransform.Translate(Vector3.right * -panSpeed * Time.deltaTime * panNorm); //here, right is wrt the loc ref because Space.Self by default
// // transform.Translate(Vector3.right * -panSpeed * Time.deltaTime * panNorm);
// //} else if ((Input.mousePosition.x - panThres) < 0) {
// // targetTransform.Translate(Vector3.right * panSpeed * Time.deltaTime * panNorm);
// // transform.Translate(Vector3.right * panSpeed * Time.deltaTime * panNorm);
// //}
// //if ((Input.mousePosition.y - Screen.height + panThres) > 0) {
// // rayPlanePoint.Set(transform.forward.x, 0, transform.forward.z);
// // targetTransform.Translate(rayPlanePoint.normalized * -panSpeed * Time.deltaTime * panNorm, Space.World);
// // transform.Translate(rayPlanePoint.normalized * -panSpeed * Time.deltaTime * panNorm, Space.World);
// //}
// //if ((Input.mousePosition.y - panThres) < 0) {
// // rayPlanePoint.Set(transform.forward.x, 0, transform.forward.z);
// // targetTransform.Translate(rayPlanePoint.normalized * panSpeed * Time.deltaTime * panNorm, Space.World);
// // transform.Translate(rayPlanePoint.normalized * panSpeed * Time.deltaTime * panNorm, Space.World);
// //}
// break;
//#endregion
#region Targeting
case CameraState.isTargeting:
off = lockedTransform.position;
offSet = lockedTransform.position - off;
targetTransform.position = Vector3.Lerp(targetTransform.position, lockedTransform.position,
3 * zoomRate * Time.deltaTime / Time.timeScale);
desiredPosition = targetTransform.position - limit * transform.forward;
transform.position = Vector3.Lerp(transform.position, desiredPosition, zoomRate * Time.deltaTime / Time.timeScale);
if (Vector3.SqrMagnitude(transform.position - desiredPosition) < 50 * 50)
{
state = CameraState.isIdling;
}
break;
#endregion
default:
break;
}
targetTransform.position = Vector3.ClampMagnitude(targetTransform.position, cameraMaxDistance);
distanceTozero = transform.position.magnitude;
if (distanceTozero > cameraMaxDistance)
{
transform.position = Vector3.ClampMagnitude(transform.position, cameraMaxDistance);
}
}